Display multiple header lines in stdio output , if it's configured within struct perf_hpp_list::nr_header_lines.
Link: http://lkml.kernel.org/n/tip-7zjyhlkjwibmxwt0ku50c...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/ui/stdio/hist.c | 34 +++++++++++++++++++++++++--------- 1 file changed, 25 insertions(+), 9 deletions(-) diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c index 91b8e10cabd5..9b807cbb56b1 100644 --- a/tools/perf/ui/stdio/hist.c +++ b/tools/perf/ui/stdio/hist.c @@ -639,13 +639,10 @@ hists__fprintf_hierarchy_headers(struct hists *hists, return print_hierarchy_header(hists, hpp, symbol_conf.field_sep, fp); } -static int -hists__fprintf_standard_headers(struct hists *hists, - struct perf_hpp *hpp, - FILE *fp) +static void fprintf_line(struct hists *hists, struct perf_hpp *hpp, + int line, FILE *fp) { struct perf_hpp_fmt *fmt; - unsigned int width; const char *sep = symbol_conf.field_sep; bool first = true; @@ -658,14 +655,33 @@ hists__fprintf_standard_headers(struct hists *hists, else first = false; - fmt->header(fmt, hpp, hists, 0); + fmt->header(fmt, hpp, hists, line); fprintf(fp, "%s", hpp->buf); } +} - fprintf(fp, "\n"); +static int +hists__fprintf_standard_headers(struct hists *hists, + struct perf_hpp *hpp, + FILE *fp) +{ + struct perf_hpp_list *hpp_list = hists->hpp_list; + struct perf_hpp_fmt *fmt; + unsigned int width; + const char *sep = symbol_conf.field_sep; + bool first = true; + int line; + + for (line = 0; line < hpp_list->nr_header_lines; line++) { + /* first # is displayed one level up */ + if (line) + fprintf(fp, "# "); + fprintf_line(hists, hpp, line, fp); + fprintf(fp, "\n"); + } if (sep) - return 1; + return hpp_list->nr_header_lines; first = true; @@ -689,7 +705,7 @@ hists__fprintf_standard_headers(struct hists *hists, fprintf(fp, "\n"); fprintf(fp, "#\n"); - return 3; + return hpp_list->nr_header_lines + 2; } static int hists__fprintf_headers(struct hists *hists, FILE *fp) -- 2.4.11
